Fairfax Weather Forecast

    • 71
    • 90

    Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 71
    • 86

    Chance Thunderstorms

    • 70
    • 85

    Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 64
    • 87

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

Today 20 Aug Chambers

Mostly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. North Winds around 5 Mph. Chance of rain 40 percent.

Tonight 20 Aug Chambers

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the lower 70s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfax Temperature Statistics

August Temperature

LaGrange-Callaway Airport (15.5 miles)

  • Lowest 8 August, 2025

    69.8 °F

  • Average August

    78.7 °F

  • Highest 18 August, 2025

    91.4 °F

Climate (2020–Present)

LaGrange-Callaway Airport (15.5 miles)

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  • Average Low 2020–2025

    50.7 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    73.6 °F
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